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Blocky

A free, open-source alternative to NextDNS. Switching saves $19.90/yr at list price.

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Blocky

Self-hosted server
Replaces it Active Open source · Apache-2.0 Linux Self-hostable
0xERR0R/blocky7.0k★last push Oct 16, 2026checked Oct 17, 2026

Configured through files with no web dashboard, and away from home it only covers you over a VPN.

Self-host

Runs on your own Linux server, with Docker files in the repo. Setup docs are on 0xerr0r.github.io.

Blocky: questions

What does Blocky replace?
Blocky is a free alternative to NextDNS ($19.90/yr).
Is Blocky open source?
Yes. Blocky is licensed under Apache-2.0, an OSI-approved open-source license.
Does Blocky run on Linux?
Yes (self-hosted server; web UI).
Can you self-host Blocky?
Yes. Blocky is a server app you run on your own server, and its repository includes Docker files.
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